Ice cube restrainer for a glass



FIG. 1 is a front perspective view of the ice cube restrainer for a glass;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevation view thereof and it is identical to the right side elevation view but merely reversed; and,

FIG. 5 is a rear elevation view thereof.

The broken line showing of a glass with three ice cubes in liquid is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an ice cube restrainer for a glass, as shown and described. 